* updated Twig to the latest version in 1.x series (v1.35.0)

system/libs/Twig/Node/Expression/Unary.php

@@ -3,8 +3,8 @@
 /*
  * This file is part of Twig.
  *
- * (c) 2009 Fabien Potencier
- * (c) 2009 Armin Ronacher
+ * (c) Fabien Potencier
+ * (c) Armin Ronacher
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
@@ -25,3 +25,5 @@ abstract class Twig_Node_Expression_Unary extends Twig_Node_Expression
 
     abstract public function operator(Twig_Compiler $compiler);
 }
+
+class_alias('Twig_Node_Expression_Unary', 'Twig\Node\Expression\Unary\AbstractUnary', false);